[deliverable/linux.git] / arch / mips / cavium-octeon / octeon_boot.h

/*
 * (C) Copyright 2004, 2005 Cavium Networks
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __OCTEON_BOOT_H__
#define __OCTEON_BOOT_H__

#include <linux/types.h>

struct boot_init_vector {
	/* First stage address - in ram instead of flash */
	uint64_t code_addr;
	/* Setup code for application, NOT application entry point */
	uint32_t app_start_func_addr;
	/* k0 is used for global data - needs to be passed to other cores */
	uint32_t k0_val;
	/* Address of boot info block structure */
	uint64_t boot_info_addr;
	uint32_t flags;		/* flags */
	uint32_t pad;
};

/* similar to bootloader's linux_app_boot_info but without global data */
struct linux_app_boot_info {
#ifdef __BIG_ENDIAN_BITFIELD
	uint32_t labi_signature;
	uint32_t start_core0_addr;
	uint32_t avail_coremask;
	uint32_t pci_console_active;
	uint32_t icache_prefetch_disable;
	uint32_t padding;
	uint64_t InitTLBStart_addr;
	uint32_t start_app_addr;
	uint32_t cur_exception_base;
	uint32_t no_mark_private_data;
	uint32_t compact_flash_common_base_addr;
	uint32_t compact_flash_attribute_base_addr;
	uint32_t led_display_base_addr;
#else
	uint32_t start_core0_addr;
	uint32_t labi_signature;

	uint32_t pci_console_active;
	uint32_t avail_coremask;

	uint32_t padding;
	uint32_t icache_prefetch_disable;

	uint64_t InitTLBStart_addr;

	uint32_t cur_exception_base;
	uint32_t start_app_addr;

	uint32_t compact_flash_common_base_addr;
	uint32_t no_mark_private_data;

	uint32_t led_display_base_addr;
	uint32_t compact_flash_attribute_base_addr;
#endif
};

/* If not to copy a lot of bootloader's structures
   here is only offset of requested member */
#define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK	 0x765c

/* hardcoded in bootloader */
#define	 LABI_ADDR_IN_BOOTLOADER			 0x700

#define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot"

#define LABI_SIGNATURE 0xAABBCC01

/*  from uboot-headers/octeon_mem_map.h */
#define EXCEPTION_BASE_INCR	(4 * 1024)
			       /* Increment size for exception base addresses (4k minimum) */
#define EXCEPTION_BASE_BASE	0
#define BOOTLOADER_PRIV_DATA_BASE	(EXCEPTION_BASE_BASE + 0x800)
#define BOOTLOADER_BOOT_VECTOR		(BOOTLOADER_PRIV_DATA_BASE)

#endif /* __OCTEON_BOOT_H__ */
Commit	Line	Data
773cb77d RB	1	/*
	2	* (C) Copyright 2004, 2005 Cavium Networks
	3	*
	4	* This program is free software; you can redistribute it and/or
	5	* modify it under the terms of the GNU General Public License as
	6	* published by the Free Software Foundation; either version 2 of
	7	* the License, or (at your option) any later version.
	8	*
	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write to the Free Software
	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	17	* MA 02111-1307 USA
	18	*/
	19
	20	#ifndef __OCTEON_BOOT_H__
	21	#define __OCTEON_BOOT_H__
	22
	23	#include <linux/types.h>
	24
	25	struct boot_init_vector {
babba4f1 DD	26	/* First stage address - in ram instead of flash */
	27	uint64_t code_addr;
	28	/* Setup code for application, NOT application entry point */
773cb77d	29	uint32_t app_start_func_addr;
babba4f1	30	/* k0 is used for global data - needs to be passed to other cores */
773cb77d	31	uint32_t k0_val;
babba4f1 DD	32	/* Address of boot info block structure */
babba4f1 DD	33	uint64_t boot_info_addr;
70342287	34	uint32_t flags; /* flags */
773cb77d	35	uint32_t pad;
773cb77d RB	36	};
	37
	38	/* similar to bootloader's linux_app_boot_info but without global data */
	39	struct linux_app_boot_info {
534c158e	40	#ifdef __BIG_ENDIAN_BITFIELD
773cb77d RB	41	uint32_t labi_signature;
	42	uint32_t start_core0_addr;
	43	uint32_t avail_coremask;
	44	uint32_t pci_console_active;
	45	uint32_t icache_prefetch_disable;
534c158e	46	uint32_t padding;
babba4f1	47	uint64_t InitTLBStart_addr;
773cb77d RB	48	uint32_t start_app_addr;
	49	uint32_t cur_exception_base;
	50	uint32_t no_mark_private_data;
	51	uint32_t compact_flash_common_base_addr;
	52	uint32_t compact_flash_attribute_base_addr;
	53	uint32_t led_display_base_addr;
534c158e DD	54	#else
	55	uint32_t start_core0_addr;
	56	uint32_t labi_signature;
	57
	58	uint32_t pci_console_active;
	59	uint32_t avail_coremask;
	60
	61	uint32_t padding;
	62	uint32_t icache_prefetch_disable;
	63
	64	uint64_t InitTLBStart_addr;
	65
	66	uint32_t cur_exception_base;
	67	uint32_t start_app_addr;
	68
	69	uint32_t compact_flash_common_base_addr;
	70	uint32_t no_mark_private_data;
	71
	72	uint32_t led_display_base_addr;
	73	uint32_t compact_flash_attribute_base_addr;
	74	#endif
773cb77d RB	75	};
	76
	77	/* If not to copy a lot of bootloader's structures
	78	here is only offset of requested member */
70342287	79	#define AVAIL_COREMASK_OFFSET_IN_LINUX_APP_BOOT_BLOCK 0x765c
773cb77d RB	80
773cb77d RB	81	/* hardcoded in bootloader */
70342287	82	#define LABI_ADDR_IN_BOOTLOADER 0x700
773cb77d RB	83
	84	#define LINUX_APP_BOOT_BLOCK_NAME "linux-app-boot"
	85
babba4f1	86	#define LABI_SIGNATURE 0xAABBCC01
773cb77d RB	87
773cb77d RB	88	/* from uboot-headers/octeon_mem_map.h */
70342287	89	#define EXCEPTION_BASE_INCR (4 * 1024)
773cb77d	90	/* Increment size for exception base addresses (4k minimum) */
70342287 RB	91	#define EXCEPTION_BASE_BASE 0
	92	#define BOOTLOADER_PRIV_DATA_BASE (EXCEPTION_BASE_BASE + 0x800)
	93	#define BOOTLOADER_BOOT_VECTOR (BOOTLOADER_PRIV_DATA_BASE)
773cb77d RB	94
773cb77d RB	95	#endif /* __OCTEON_BOOT_H__ */